\begin{table}
\centering
\begin{tabular}[t]{lccc}
\toprule
  & Model 1 & Model 2 & Model 3\\
\midrule
Gender DG & \num{0.147}*** & \num{0.134}** & \num{0.266}**\\
 & (\num{0.031}) & (\num{0.022}) & (\num{0.039})\\
IG Type & No & Yes & Yes\\
IG Country & No & Yes & Yes\\
Policy Area & No & No & Yes\\
IG Covs & No & Yes & Yes\\
Number of Observations & 71599 & 63960 & 63960\\
\bottomrule
\multicolumn{4}{l}{\rule{0pt}{1em}+ p $<$ 0.1, * p $<$ 0.05, ** p $<$ 0.01, *** p $<$ 0.001}\\
\multicolumn{4}{l}{\rule{0pt}{1em}Significance levels: *** p $<$ 0.01, ** p $<$ 0.05, * p $<$ 0.1}\\
\end{tabular}
\end{table}
